How to Test Gold using TRi Electronics GXL-24Pro?
http://www.goldpalusa.com The GXL-24PRO GOLD TESTERTM is a high technology professional digital instrument, developed by Tri Electronics, Inc. for efficient, non-destructive determination of gold karat values from 6 to 24 karats. The GXL-24PRO GOLD TESTER determines platinum and the gold karatage in the 6-24 karat range in alloys commonly used in the jewelry industry. Besides determining the karatage of gold, the Gold Tester is also able to distinguish gold plated and gold-filled items.
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